:root {
  --primary: #4157D0;
  --primary-dark: #3448B8;
  --surface: #FFFFFF;
  --background: #F4F6FB;
  --border: #E6E9F2;
  --text: #0F1B3D;
  --muted: #5B6383;
  --danger: #C2303A;
}

html { color-scheme: light; }
body { color: var(--text); }
a { color: var(--primary); text-decoration: none; }
a:hover { color: var(--primary-dark); }

button,
.button,
input[type="submit"] {
  display: inline-flex;
  min-height: 46px;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 18px;
  border: 1px solid var(--primary);
  border-radius: 12px;
  background: var(--primary);
  color: #fff;
  cursor: pointer;
  font: 700 14px/1.2 Manrope, Arial, sans-serif;
  text-decoration: none;
  transition: background .15s ease, border-color .15s ease, transform .15s ease;
}
button:hover,
.button:hover,
input[type="submit"]:hover { background: var(--primary-dark); border-color: var(--primary-dark); color: #fff; }
button:active,
.button:active { transform: translateY(1px); }
button:focus-visible,
.button:focus-visible,
input:focus-visible,
textarea:focus-visible,
select:focus-visible { outline: 3px solid rgba(65, 87, 208, .16); outline-offset: 1px; }

.button-secondary,
button.secondary {
  border-color: var(--border);
  background: #fff;
  color: var(--text);
}
.button-secondary:hover,
button.secondary:hover { border-color: var(--primary); background: #F3F5FF; color: var(--primary); }

label { color: var(--text); font-weight: 600; }
input:not([type="checkbox"]):not([type="radio"]):not([type="file"]):not([type="hidden"]),
select,
textarea {
  width: 100%;
  min-height: 48px;
  padding: 11px 14px;
  border: 1px solid #D9DEEA;
  border-radius: 12px;
  background: #fff;
  color: var(--text);
  font: 500 15px/1.45 Manrope, Arial, sans-serif;
}
textarea { min-height: 120px; resize: vertical; }
input::placeholder,
textarea::placeholder { color: #9299B1; }
input[type="checkbox"],
input[type="radio"] { width: 19px; height: 19px; accent-color: var(--primary); vertical-align: middle; }

.file-drop {
  display: grid;
  gap: 8px;
  padding: 18px;
  border: 1.5px dashed #BFC6DB;
  border-radius: 16px;
  background: #F8F9FD;
  color: var(--muted);
  text-align: center;
  cursor: pointer;
}
.file-drop:hover { border-color: var(--primary); background: #F3F5FF; }
.file-drop strong { color: var(--text); font-size: 15px; }
.file-drop small { font-weight: 500; }
.file-drop.dragging { border-color: var(--primary); background: #EEF0FF; }
.file-drop-controls { display: flex; flex-wrap: wrap; align-items: center; justify-content: center; gap: 10px; }
.file-drop-button { display: inline-flex; min-height: 42px; align-items: center; padding: 9px 15px; border-radius: 11px; background: var(--primary); color: #fff; font-size: 13px; font-weight: 700; }
.file-drop-name { max-width: 100%; overflow: hidden; color: var(--muted); text-overflow: ellipsis; white-space: nowrap; font-size: 13px; }
.file-drop input[type="file"] { position: absolute; width: 1px; height: 1px; overflow: hidden; opacity: 0; pointer-events: none; }
input[type="file"] {
  width: 100%;
  color: var(--muted);
  font: 500 13px Manrope, Arial, sans-serif;
}
input[type="file"]::file-selector-button {
  min-height: 42px;
  margin-right: 12px;
  padding: 9px 15px;
  border: 1px solid var(--primary);
  border-radius: 11px;
  background: var(--primary);
  color: #fff;
  cursor: pointer;
  font: 700 13px Manrope, Arial, sans-serif;
}

form p { margin: 14px 0; }
.form-grid { display: grid; gap: 16px; }
.form-actions { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 20px; }
.error, .errorlist { color: var(--danger); }

@media (max-width: 600px) {
  .page { padding: 16px; }
  .content-card { margin: 18px auto; padding: 24px 20px; }
  h1 { font-size: 27px; }
  .form-actions > button,
  .form-actions > .button { width: 100%; }
}